print(" " * 7, "长歌行")
verse = ["青青园中葵", "朝露待日晞", "阳春布德泽", "万物生光辉", "长孔秋节至", "焜黄华叶衰", "百川东到海", "何时复西归", "少壮不努力", "老大徒伤悲"]
for idex, item in enumerate(verse):
    if idex % 2 == 0:
        print(item + ", ", end='')
    else:
        print(item + "。")